HEAT ASSISTED MAGNETIC RECORDING MEDIUM AND METHOD FOR FABRICATING THE SAME
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United States of America Patent
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Jun 9, 2009
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Mar 13, 2006
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Abstract
A novel heat assisted magnetic recording (HAMR) medium and the fabrication method therefor are provided. The exchange coupling effect occurring at the interface of FePt/CoTb double layers is adopted, and thus the resulting magnetic flux would be sufficient enough to be detected and readout under the room temperature. The provided HAMR medium exhibits a relatively high saturation magnetization and perpendicular coercivity, and thus possesses a great potential for the ultra-high density recording application.
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